/// <summary>
/// 发送邮件前检查需要设置的信息是否完整，收集 错误 信息
/// </summary>
/// <param name="dicMsg">将检查信息收集到此集合</param>
private void InnerCheckSendMail4Error(Dictionary <MailInfoType, string> dicMsg)
{
#region 处理 发件/收件
if (string.IsNullOrEmpty(From))
{
From = "*****@*****.**";
FromDisplayName = "h3bpm";
}
else
{
if (!MailValidatorHelper.IsEmail(From))
{
string strTemp = string.Format(MailInfoHelper.GetMailInfoStr(MailInfoType.FromFormat), FromDisplayName, From);
dicMsg.Add(MailInfoType.FromFormat, strTemp);
}
}
if (string.IsNullOrEmpty(To))
{
dicMsg.Add(MailInfoType.ToEmpty, MailInfoHelper.GetMailInfoStr(MailInfoType.ToEmpty));
}
else
{
foreach (var item in To.Split(';'))
{
if (!MailValidatorHelper.IsEmail(item))
{
string strTemp = string.Format(MailInfoHelper.GetMailInfoStr(MailInfoType.ToFormat), item, item);
dicMsg.Add(MailInfoType.ToFormat, strTemp);
}
}
}
#endregion 处理 发件/收件
// SmtpClient 实例未设置
if (m_SmtpClient == null)
{
dicMsg.Add(MailInfoType.SmtpClientEmpty, MailInfoHelper.GetMailInfoStr(MailInfoType.SmtpClientEmpty));
}
else
{
// SMTP 主服务器设置 （默认端口为25）
if (m_SmtpClient.Host.Length == 0)
{
dicMsg.Add(MailInfoType.HostEmpty, MailInfoHelper.GetMailInfoStr(MailInfoType.HostEmpty));
}
// SMPT 凭证
if (m_SmtpClient.EnableSsl && m_SmtpClient.ClientCertificates.Count == 0)
{
dicMsg.Add(MailInfoType.CertificateEmpty, MailInfoHelper.GetMailInfoStr(MailInfoType.CertificateEmpty));
}
}
}
/// <summary>
/// 发送邮件前检查需要设置的信息是否完整，收集 提示 信息
/// </summary>
/// <param name="dicMsg">将检查信息收集到此集合</param>
private void InnerCheckSendMail4Info(Dictionary <MailInfoType, string> dicMsg)
{
#region 处理 抄送/密送
Cc = Cc ?? "";
Bcc = Bcc ?? "";
#endregion 处理 抄送/密送
// 邮件主题
if (Subject.Length == 0)
{
dicMsg.Add(MailInfoType.SubjectEmpty, MailInfoHelper.GetMailInfoStr(MailInfoType.SubjectEmpty));
}
// 邮件内容
if (Body.Length == 0 &&
(Attachments == null || (Attachments != null && Attachments.Count == 0))
)
{
dicMsg.Add(MailInfoType.BodyEmpty, MailInfoHelper.GetMailInfoStr(MailInfoType.BodyEmpty));
}
}
private void InnerSendMessageSync()
{
var msg = CheckSendMail();
if (msg.Count > 0)
{
throw new FormatException(MailInfoHelper.GetMailInfoStr(msg));
}
try
{
var mMailMessage = CreateMessagex();
#region 异步发送邮件
if (PrepareSendCount == 1)
{
// 情况一：不重用 SmtpClient 实例会将PrepareSendCount设置为1
// 情况二：计划发送只有一条
m_SmtpClient.SendAsync(mMailMessage, AsycUserState);
if (m_autoDisposeSmtp)
{
m_SmtpClient = null;
}
}
else
{
// 情况一：重用 SmtpClient 逻辑，即我们可以直接操作全局的 m_SmtpClient
// 情况二：批量发送邮件 PrepareSendCount>1
// 情况三：PrepareSendCount 还未设置，为0。比如场景在循环中做些判断，再决定发邮件，循环完才调用 SetBatchMailCount 设置计划邮件数量
MailUserState state = new MailUserState()
{
AutoReleaseSmtp = m_autoDisposeSmtp,
CurMailMessage = mMailMessage,
CurSmtpClient = m_SmtpClient,
UserState = AsycUserState,
};
MessageQueue.Enqueue(state);
Interlocked.Increment(ref m_messageQueueCount);
if (m_SendMailThread == null)
{
m_SendMailThread = new Thread(() =>
{
// noItemCount 次获取不到元素，就抛出线程异常
int noItemCount = 0;
while (true)
{
if (PrepareSendCount != 0 && PrepareSendCount == CompletedSendCount)
{
// 已执行完毕。
this.AutoDisposeSmtp();
break;
}
else
{
MailUserState curUserState = null;
if (!MessageQueue.IsEmpty)
{
//#if DEBUG
// Debug.WriteLine("WaitOne" + Thread.CurrentThread.ManagedThreadId);
//#endif
// 当执行异步取消时，会清空MessageQueue，所以 WaitOne 必须在从MessageQueue中取到元素之前
AutoResetEvent.WaitOne();
if (MessageQueue.TryDequeue(out curUserState))
{
Interlocked.Decrement(ref m_messageQueueCount);
m_SmtpClient.SendAsync(curUserState.CurMailMessage, curUserState);
}
}
else
{
if (noItemCount >= 10)
{
// 没有正确设置 PrepareSendCount 值。导致已没有邮件但此线程出现死循环
this.InnerDisposeSmtp();
throw new Exception(MailValidatorHelper.EMAIL_PREPARESENDCOUNT_NOTSET_ERROR);
}
Thread.Sleep(1000);
noItemCount++;
}
}
// SmtpClient 为null表示异步预计发送邮件数已经发送完，在 OnSendCompleted 进行了 m_SmtpClient 释放
if (m_SmtpClient == null)
{
break;
}
}
m_SendMailThread = null;
});
m_SendMailThread.Start();
}
}
#endregion 异步发送邮件
}
catch (Exception e)
{
throw new FormatException(e.Message);
}
}
/// <summary>
/// 发送Email
/// </summary>
private void InnerSendMessage()
{
bool hasError = false;
var msg = CheckSendMail();
if (msg.Count > 0)
{
throw new FormatException(MailInfoHelper.GetMailInfoStr(msg));
}
var mMailMessage = CreateMessagex();
if (!hasError)
{
if (m_IsAsync)
{
#region 异步发送邮件
if (PrepareSendCount == 1)
{
// 情况一：不重用 SmtpClient 实例会将PrepareSendCount设置为1
// 情况二：计划发送只有一条
// PrepareSendCount 是发送单条邮件。
MailUserState state = new MailUserState()
{
AutoReleaseSmtp = m_autoDisposeSmtp,
CurMailMessage = mMailMessage,
CurSmtpClient = m_SmtpClient,
IsSmpleMail = true,
UserState = AsycUserState,
};
if (m_autoDisposeSmtp)
{
// 由发送完成回调函数根据 IsSmpleMail 字段进行释放
m_SmtpClient = null;
}
ThreadPool.QueueUserWorkItem((userState) =>
{
// 无需 catch 发送异常，因为是异步，所以这里 catch 不到。
MailUserState curUserState = userState as MailUserState;
curUserState.CurSmtpClient.SendAsync(mMailMessage, userState);
}, state);
}
else
{
// 情况一：重用 SmtpClient 逻辑，即我们可以直接操作全局的 m_SmtpClient
// 情况二：批量发送邮件 PrepareSendCount>1
// 情况三：PrepareSendCount 还未设置，为0。比如场景在循环中做些判断，再决定发邮件，循环完才调用 SetBatchMailCount 设置计划邮件数量
MailUserState state = new MailUserState()
{
AutoReleaseSmtp = m_autoDisposeSmtp,
CurMailMessage = mMailMessage,
CurSmtpClient = m_SmtpClient,
UserState = AsycUserState,
};
MessageQueue.Enqueue(state);
Interlocked.Increment(ref m_messageQueueCount);
if (m_SendMailThread == null)
{
m_SendMailThread = new Thread(() =>
{
// noItemCount 次获取不到元素，就抛出线程异常
int noItemCount = 0;
while (true)
{
if (PrepareSendCount != 0 && PrepareSendCount == CompletedSendCount)
{
// 已执行完毕。
this.AutoDisposeSmtp();
break;
}
else
{
MailUserState curUserState = null;
if (!MessageQueue.IsEmpty)
{
//#if DEBUG
// Debug.WriteLine("WaitOne" + Thread.CurrentThread.ManagedThreadId);
//#endif
// 当执行异步取消时，会清空MessageQueue，所以 WaitOne 必须在从MessageQueue中取到元素之前
AutoResetEvent.WaitOne();
if (MessageQueue.TryDequeue(out curUserState))
{
Interlocked.Decrement(ref m_messageQueueCount);
m_SmtpClient.SendAsync(curUserState.CurMailMessage, curUserState);
}
}
else
{
if (noItemCount >= 10)
{
// 没有正确设置 PrepareSendCount 值。导致已没有邮件但此线程出现死循环
this.InnerDisposeSmtp();
throw new Exception(MailValidatorHelper.EMAIL_PREPARESENDCOUNT_NOTSET_ERROR);
}
Thread.Sleep(1000);
noItemCount++;
}
}
// SmtpClient 为null表示异步预计发送邮件数已经发送完，在 OnSendCompleted 进行了 m_SmtpClient 释放
if (m_SmtpClient == null)
{
break;
}
}
m_SendMailThread = null;
});
m_SendMailThread.Start();
}
}
#endregion 异步发送邮件
}
else
{
#region 步发送邮件
try
{
m_SmtpClient.Send(mMailMessage);
m_CompletedSendCount++;
}
catch (ObjectDisposedException smtpDisposedEx)
{
throw smtpDisposedEx;
}
catch (InvalidOperationException smtpOperationEx)
{
throw smtpOperationEx;
}
catch (SmtpFailedRecipientsException smtpFailedRecipientsEx)
{
throw smtpFailedRecipientsEx;
}
catch (SmtpException smtpEx)
{
throw smtpEx;
}
finally
{
if (mMailMessage != null)
{
InnerDisposeMessage(mMailMessage);
mMailMessage = null;
}
AutoDisposeSmtp();
}
#endregion 步发送邮件
}
}
}